<?php

declare(strict_types=1);

use App\Models\Project;
use App\Models\SupplierProject;
use App\Models\Tenant;
use App\Services\LeadRouter;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Illuminate\Support\Facades\DB;
use Tests\Concerns\SharesSupplierPdo;

uses(DatabaseTransactions::class);
uses(SharesSupplierPdo::class);

beforeEach(function (): void {
    // Clear tenant context — LeadRouter operates without it (sharing across tenants).
    // Use set_config (session-scoped, rolls back via DatabaseTransactions).
    DB::statement("SELECT set_config('app.current_tenant_id', '0', true)");
});

it('returns matching active projects for B1 site supplier_project (sharing across tenants)', function (): void {
    $supplier = SupplierProject::factory()->create([
        'platform' => 'B1',
        'signal_type' => 'site',
        'unique_key' => 'vashinvestor.ru',
    ]);

    $tenant1 = Tenant::factory()->create(['balance_leads' => 100]);
    $tenant2 = Tenant::factory()->create(['balance_leads' => 100]);

    $project1 = Project::factory()->create([
        'tenant_id' => $tenant1->id,
        'supplier_b1_project_id' => $supplier->id,
        'signal_type' => 'site',
        'signal_identifier' => 'vashinvestor.ru',
        'is_active' => true,
        'daily_limit_target' => 10,
        'delivered_today' => 0,
        'delivery_days_mask' => 127,
        'region_mask' => 255,
        'region_mode' => 'include',
    ]);

    $project2 = Project::factory()->create([
        'tenant_id' => $tenant2->id,
        'supplier_b1_project_id' => $supplier->id,
        'signal_type' => 'site',
        'signal_identifier' => 'vashinvestor.ru',
        'is_active' => true,
        'daily_limit_target' => 10,
        'delivered_today' => 0,
        'delivery_days_mask' => 127,
        'region_mask' => 255,
        'region_mode' => 'include',
    ]);

    $router = app(LeadRouter::class);
    $matched = $router->matchEligibleProjects($supplier, '79991234567');

    expect($matched)->toHaveCount(2);
    expect($matched->pluck('id')->all())->toEqualCanonicalizing([$project1->id, $project2->id]);
});

it('skips paused project (is_active=false)', function (): void {
    $supplier = SupplierProject::factory()->create(['platform' => 'B1', 'signal_type' => 'site']);
    $tenant = Tenant::factory()->create(['balance_leads' => 100]);

    Project::factory()->create([
        'tenant_id' => $tenant->id,
        'supplier_b1_project_id' => $supplier->id,
        'signal_type' => 'site',
        'signal_identifier' => 'example.com',
        'is_active' => false,
    ]);

    $router = app(LeadRouter::class);
    expect($router->matchEligibleProjects($supplier, '79991234567'))->toHaveCount(0);
});

it('skips project where today is not in delivery_days_mask', function (): void {
    // Mirror LeadRouter's МСК alignment to avoid off-by-one near midnight when
    // process TZ (UTC) and Europe/Moscow disagree on ISO day-of-week.
    $todayBit = 1 << (now('Europe/Moscow')->isoWeekday() - 1);
    $maskWithoutToday = 127 & ~$todayBit;

    $supplier = SupplierProject::factory()->create(['platform' => 'B1', 'signal_type' => 'site']);
    $tenant = Tenant::factory()->create(['balance_leads' => 100]);

    Project::factory()->create([
        'tenant_id' => $tenant->id,
        'supplier_b1_project_id' => $supplier->id,
        'signal_type' => 'site',
        'signal_identifier' => 'example.com',
        'is_active' => true,
        'delivery_days_mask' => $maskWithoutToday,
    ]);

    $router = app(LeadRouter::class);
    expect($router->matchEligibleProjects($supplier, '79991234567'))->toHaveCount(0);
});

it('skips project where delivered_today >= effective_daily_limit_today', function (): void {
    $supplier = SupplierProject::factory()->create(['platform' => 'B1', 'signal_type' => 'site']);
    $tenant = Tenant::factory()->create(['balance_leads' => 100]);

    Project::factory()->create([
        'tenant_id' => $tenant->id,
        'supplier_b1_project_id' => $supplier->id,
        'signal_type' => 'site',
        'signal_identifier' => 'example.com',
        'is_active' => true,
        'effective_daily_limit_today' => 5,
        'delivered_today' => 5,
    ]);

    $router = app(LeadRouter::class);
    expect($router->matchEligibleProjects($supplier, '79991234567'))->toHaveCount(0);
});

it('falls back to daily_limit_target when effective_daily_limit_today is null', function (): void {
    $supplier = SupplierProject::factory()->create(['platform' => 'B1', 'signal_type' => 'site']);
    $tenant = Tenant::factory()->create(['balance_leads' => 100]);

    Project::factory()->create([
        'tenant_id' => $tenant->id,
        'supplier_b1_project_id' => $supplier->id,
        'signal_type' => 'site',
        'signal_identifier' => 'example.com',
        'is_active' => true,
        'effective_daily_limit_today' => null,
        'daily_limit_target' => 10,
        'delivered_today' => 5,
    ]);

    $router = app(LeadRouter::class);
    expect($router->matchEligibleProjects($supplier, '79991234567'))->toHaveCount(1);
});

it('skips project where region_mode=include and region_mask does not include phone district', function (): void {
    $supplier = SupplierProject::factory()->create(['platform' => 'B1', 'signal_type' => 'site']);
    $tenant = Tenant::factory()->create(['balance_leads' => 100]);

    Project::factory()->create([
        'tenant_id' => $tenant->id,
        'supplier_b1_project_id' => $supplier->id,
        'signal_type' => 'site',
        'signal_identifier' => 'example.com',
        'is_active' => true,
        'region_mask' => 1, // только Центральный округ
        'region_mode' => 'include',
    ]);

    $router = app(LeadRouter::class);
    // 78121234567 = СПб (Северо-Западный, бит 2)
    expect($router->matchEligibleProjects($supplier, '78121234567'))->toHaveCount(0);
});

it('skips project where tenant has zero in BOTH balance_leads AND balance_rub (Plan 4 dual-balance)', function (): void {
    // Plan 4 Task 4: фильтр расширен на (balance_leads > 0 OR balance_rub > 0).
    // Tenant с обоими нулями — реально невыдачный, должен скипаться.
    $supplier = SupplierProject::factory()->create(['platform' => 'B1', 'signal_type' => 'site']);
    $tenant = Tenant::factory()->create(['balance_leads' => 0, 'balance_rub' => '0.00']);

    Project::factory()->create([
        'tenant_id' => $tenant->id,
        'supplier_b1_project_id' => $supplier->id,
        'signal_type' => 'site',
        'signal_identifier' => 'example.com',
        'is_active' => true,
    ]);

    $router = app(LeadRouter::class);
    expect($router->matchEligibleProjects($supplier, '79991234567'))->toHaveCount(0);
});

it('includes project when balance_leads=0 BUT balance_rub > 0 (Plan 4 dual-balance rub-only tenant)', function (): void {
    // Plan 4 Task 4: rub-only tenant ДОЛЖЕН пройти LeadRouter; LedgerService
    // сам резолвит prepaid/rub в transaction'е.
    $supplier = SupplierProject::factory()->create(['platform' => 'B1', 'signal_type' => 'site']);
    $tenant = Tenant::factory()->create(['balance_leads' => 0, 'balance_rub' => '1000.00']);

    $project = Project::factory()->create([
        'tenant_id' => $tenant->id,
        'supplier_b1_project_id' => $supplier->id,
        'signal_type' => 'site',
        'signal_identifier' => 'example.com',
        'is_active' => true,
    ]);

    $router = app(LeadRouter::class);
    $eligible = $router->matchEligibleProjects($supplier, '79991234567');
    expect($eligible)->toHaveCount(1);
    expect($eligible->first()->id)->toBe($project->id);
});

it('routes through correct FK based on platform (B2 → supplier_b2_project_id)', function (): void {
    $supplier = SupplierProject::factory()->create(['platform' => 'B2', 'signal_type' => 'site']);
    $tenant = Tenant::factory()->create(['balance_leads' => 100]);

    Project::factory()->create([
        'tenant_id' => $tenant->id,
        'supplier_b1_project_id' => null,
        'supplier_b2_project_id' => $supplier->id,
        'supplier_b3_project_id' => null,
        'signal_type' => 'site',
        'signal_identifier' => 'example.com',
        'is_active' => true,
    ]);

    $router = app(LeadRouter::class);
    expect($router->matchEligibleProjects($supplier, '79991234567'))->toHaveCount(1);
});

it('orders results by created_at ASC (deterministic, spec §6 step 4)', function (): void {
    $supplier = SupplierProject::factory()->create(['platform' => 'B1', 'signal_type' => 'site']);

    $projectsCreated = collect();
    for ($i = 0; $i < 3; $i++) {
        $tenant = Tenant::factory()->create(['balance_leads' => 100]);
        $projectsCreated->push(
            Project::factory()->create([
                'tenant_id' => $tenant->id,
                'supplier_b1_project_id' => $supplier->id,
                'signal_type' => 'site',
                'signal_identifier' => 'example.com',
                'is_active' => true,
                'created_at' => now()->subDays(3 - $i),
            ])
        );
    }

    $router = app(LeadRouter::class);
    $matched = $router->matchEligibleProjects($supplier, '79991234567');

    expect($matched->pluck('id')->all())->toBe($projectsCreated->pluck('id')->all());
});